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Journal : Physics Communication

Development of a Five-Tier Diagnostic Test to Reveal the Student Concept in Fluids Setiawan, Doni; Eko Nugroho, Sunyoto; Made Darma Putra, Ngurah
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.21181

Abstract

This study aims to develop a five-tier form of fluid misconception diagnostic assessment and to reveal the profile of student’s conceptual understanding in maritime-based schools in the city of Tegal. This study used a 4D model (defining, designing, developing, and disseminating). The sampling technique used purposive sampling. The research samples were Bahari Vocational School Tegal, Al Maarif Vocational School Tegal, and Nahdlatul Ulama Senior High School Tegal. Methods of data collection used documentation, questionnaires, tests, and interviews. Expert validation states that the instrument was valid, has good readability, was easy to understand, and the sentence structure was correct. The reliability of the instrument is 0.958 and declared reliable. A total of 39 questions were categorized as medium, and one question was easy. The discrimination power of the questions obtained was that 30 questions were accepted, eight questions were received with a little improvement, and one question needed improvement. Seventy student misconceptions were identified from seven fluid sub-concepts. The biggest misconception, as much as 46.5% was found in the buoyancy sub-concept, while the smallest misconception was found in the application of Pascal's law at 35.2%. The most dominant misconception is that the deeper a point in the fluid is, the greater the buoyancy. Students assume that the greater the depth, the greater the fluid pressure, so that the buoyancy force is greater. Students believe that buoyancy is influenced by fluid pressure. This misconception is influenced by conceptual appreciation and intuition in daily life.
Co-Authors Abu Sahmah Mohd Supaat Achmad Sopyan, Achmad Adiprabowo, Samuel Radityo Aeniah, Aeniah Agus Wahyudin Agus Yulianto Aji Purwinarko, Aji Alfahmi, Furqon Alfiah, Amnah Nur Alfiah, Amnah Nur Almira Syifa, Almira Amnah Nur Alfiah Ani Rusilowati Aryono Adhi, Aryono Athoriq, Naufal Az'ari, Listi Friama Bambang Subali Budi Astuti Budi Naini Mindyarto, Budi Naini Darsono, Teguh Dewi, kustiyanti Dhamayanti, Lina Fitri Doni Setiawan Eli Trisnowati Endang Susilaningsih Enni Suwarsi Rahayu Farikhatul Mukharomah Farumananda, Fatimah Primadian Fianti Fianti, Fianti Firdaus Firdaus Fitriani, Laily Ika Helvi Rumiana Ian Yulianti, Ian Insan , Shiva Maulana Khoiru Komalasary, Deasy Kukuh Eka Kurniansyah Kurniansyah, Kukuh Eka Kusuma, Putri Ria Laili, Nihla Nurul Langlang Handayani maimanah, siti Marwazi, Muhammad Masrukan Masrukan Minhat, Minhat Mohammad Alauhdin, Mohammad Mufatihah, Nishfa Mulyani, Lusi Santi Muttaqin, Rudhotul Noor Hidayah Noor, Yusmaniar Afifah Nor Hafizah Ngajikin Nuni Widiarti Nurhayati, Khofifah Oktauvan Damyanto, Puguh Dwi Prayitno, Wasi Sakti Wiwit Prayogo, Deffrian Putut Marwoto Rio Candra, Rio Riyanti Riyanti Rizkika, Aflah Agus Rohim, Ahmad Minanur Rumiana, Helvi Sekarpratiwi, Farah Kinayu siti maimanah Sri Jumini Sudarmin Sudarmin Sugianto Sugianto Suharto Linuwih Sunyoto Eko Nugroho, Sunyoto Eko Supa’at, Abu Sahmah Mohd Suyanto Suyanto Upik Nurbaiti Widyastari, Peni Wiwi Isnaeni Wiwit Prayitno, Wasi Sakti Wiyanto - Wiyanto Wiyanto Wiyanto Wiyanto Yusmaniar Afifah Noor